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Norn lands to welcome a new female member, but the mysterious girl Kakeru finds doesn't remember her name. Despite this, she's warmly welcomed by the others aboard the ship.

Norn is attacked by people seeking to capture and use members of the crew. When the enemy turns its weapons on the ship, Koharu releases her devastating ability to save them.

As the others try to make sense of the attack the day before, Koharu encounters a new boy aboard the ship. With the threat of an insider, who can truly be trusted?

Kakeru deploys a creative tactic to force Nanami and Akito to get along. Meanwhile, Mikoto and Sakuya patrol at ground level to search for the man who attacked the ship.

Seeing the girls out of sorts, Itsuki uses his ability to send them to a “dream world” with Koharu as Snow White, Mikoto as Cinderella, and Nanami is Red Riding Hood!

The entire crew is still reeling from the effects of last night's strange dream. Just as things couldn’t get more uncomfortable, the ship is attacked again… from the inside.

With the journey ending soon, the crew decides to have fun with a dare contest. However, wounded hearts and hidden intentions threaten the safety of everyone on the ship.

Mikoto’s been kidnapped, and Sakuya, Masaume, and the others launch a search. With war on the horizon, they are forced to learn the truth about their world’s dark history.

With Koharu still missing, Kakeru returns to the surface to find her and his father. Meanwhile, Akito and Nanami prepare to reveal their secret to a member of the ship.

Everything changed when Koharu joined the crew of Norn. The sins of the past forge an uncertain future and put the fate of the crew, and the world itself, in the balance.

Following Sakuya’s vision of the near future, the crew hurries to rescue Koharu and Mikoto. On the island, Kakeru runs into Natsuhiko and Ron.

The group is finally reunited aboard the ship. The Reset weighs heavily on their minds, and Koharu fears the inevitable global consequences of their decision.